public override VimPoint Move(Interfaces.IVimHost host)
{
if (host.IsCurrentPositionAtStartOfLine()) {
return host.CurrentPosition;
}
VimPoint bak = host.CurrentPosition;
for (int i = 0; i < this.Repeat; i++) {
do {
if (host.IsCurrentPositionAtStartOfLine()) {
host.MoveCursor(bak);
return host.CurrentPosition;
}
host.CaretLeft();
char ch = host.GetCharAtCurrentPosition();
if (ch == _toSearch) {
break;
}
}
while (true);
}
host.CaretRight();
return host.CurrentPosition;
}
public override bool Apply(Interfaces.IVimHost host)
{
string reg_text = _register.GetText(host);
if (reg_text == null) {
return false;
}
if (_register.IsTextLines) {
string text = reg_text;
for (int i = 0; i < (this.Repeat - 1); i++) {
text = text + host.LineBreak + reg_text;
}
host.OpenLineBelow();
host.InsertTextAtCurrentPosition(text);
}
else {
string text = "";
for (int i = 0; i < this.Repeat; i++) {
text = text + reg_text;
}
host.CaretRight();
host.InsertTextAtCurrentPosition(text);
}
if (host.IsCurrentPositionAtEndOfLine()) {
host.MoveToEndOfLine();
host.CaretLeft();
}
return true;
}
public override VimPoint Move(Interfaces.IVimHost host)
{
for (int i = 0; i < (this.Repeat - 1); i++) {
host.CaretDown();
}
host.MoveToEndOfLine();
host.CaretLeft();
return host.CurrentPosition;
}
public override bool Apply(Interfaces.IVimHost host)
{
if (VimGlobalInfo.LastEdition != null) {
for (int i = 0; i < this.Repeat; i++) {
if (!VimGlobalInfo.LastEdition.Redo(host)) {
return false;
}
}
}
if (host.IsCurrentPositionAtEndOfLine()) {
host.MoveToEndOfLine();
host.CaretLeft();
}
return true;
}
public override bool Apply(Interfaces.IVimHost host)
{
VimPoint from = host.CurrentPosition;
VimPoint to = null;
for (int i = 0; i < this.Repeat; i++) {
to = this.Motion.Move(host);
}
VimSpan span = null;
if (from.CompareTo(to) > 0) {
span = new VimSpan(to, from);
}
else {
span = new VimSpan(from, to);
if (this.Motion is Interfaces.IVimMotionNextWord) {
if (host.IsCurrentPositionAtStartOfLineText()) {
if (from.X < host.CurrentPosition.X) {
// "dw" on the last word of the line deletes to the end of the line
host.CaretUp();
host.MoveToEndOfLine();
if (from.CompareTo(host.CurrentPosition) >= 0) {
// delete action begins at the line end
// adjust the cursor to one left char before the end of the line
host.CaretLeft();
return true;
}
span = new VimSpan(from, host.CurrentPosition);
}
}
}
else if (this.Motion is Interfaces.IVimMotionEndOfWord) {
span = span.GetClosedEnd();
}
else if (this.Motion is Interfaces.IVimMotionEndOfLine) {
// '$' in range edition is a close end span while range edition operates on open end spans,
// so a manual compensation is needed
span = span.GetClosedEnd();
}
else if (this.Motion is Interfaces.IVimMotionSearchCharInLine) {
span = span.GetClosedEnd();
}
}
if (this.Motion is Interfaces.IVimMotionSearchCharInLine) {
if (span.Start.CompareTo(span.End) == 0) {
// may be search successfully, but most of time, it reflects a failure, so do nothing for simplification
// TODO can find a better way to handle this class of motion failure?
return false;
}
}
if (this.Motion is IVimMotionBetweenLines) {
VimRegister.YankLineToDefaultRegister(host, span);
host.DeleteLineRange(span);
}
else {
VimRegister.YankRangeToDefaultRegister(host, span);
host.DeleteRange(span);
}
if (host.IsCurrentPositionAtEndOfLine()) {
// adjust the cursor to one left char before the end of the line
host.CaretLeft();
}
return true;
}
